134670321 has 6 divisors (see below), whose sum is σ = 194523810. Its totient is φ = 89780208.

The previous prime is 134670317. The next prime is 134670323. The reversal of 134670321 is 123076431.

134670321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 74390625 + 60279696 = 8625^2 + 7764^2 .

It is not a de Polignac number, because 134670321 - 2² = 134670317 is a prime.

It is not an unprimeable number, because it can be changed into a prime (134670323) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7481676 + ... + 7481693.

It is an arithmetic number, because the mean of its divisors is an integer number (32420635).

Almost surely, 2^134670321 is an apocalyptic number.

It is an amenable number.

134670321 is a deficient number, since it is larger than the sum of its proper divisors (59853489).

134670321 is a wasteful number, since it uses less digits than its factorization.

134670321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14963375 (or 14963372 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 134670321 is about 11604.7542412582. The cubic root of 134670321 is about 512.5748560895.

The spelling of 134670321 in words is "one hundred thirty-four million, six hundred seventy thousand, three hundred twenty-one".